| January 24, 2008 |  |
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Asteroid to give Earth a close shave next week
Paris (AFP) Jan 23, 2008A huge asteroid will zoom past Earth next week at such a close distance that amateur astronomers should be able to spot it, specialists said on Wednesday. Measuring between 150 and 600 metres (yards) across, asteroid 2007 TU24 would inflict devastating regional damage were it to hit Earth, but there is no risk of any collision, they said. It will fly by on Tuesday, being around 534,000 k ... more Ice Clouds Put Mars In The Shade 
Paris, France (SPX) Jan 17, 2008Until now, Mars has generally been regarded as a desert world, where a visiting astronaut would be surprised to see clouds scudding across the orange sky. However, new results show that the arid planet possesses high-level clouds that are sufficiently dense to cast a shadow on the surface. The results were obtained by the OMEGA Visible and Infrared Mineralogical Mapping Spectrometer instru ... more Scientists examine effects of wind on Mars 
Pasadena, Calif. (UPI) Jan 16, 2007 U.S. scientists have obtained high-resolution images of Mars' wind-driven sand dunes and ridges that might lead to a better understanding of the planet. The pictures were taken by the High Resolution Imaging Science Experiment camera on the Mars Reconnaissance Orbiter. The camera is capable of imaging features less than half a meter -- about 20 inches in size. The scientists said ... more 2007 WD5 Mars Collision Effectively Ruled Out As Impact Odds Widen To 1 In 10000 
Pasadena CA (SPX) Jan 10, 2008Since our last update, we have received numerous tracking measurements of asteroid 2007 WD5 from four different observatories. These new data have led to a significant reduction in the position uncertainties during the asteroid's close approach to Mars on Jan. 30, 2008. As a result, the impact probability has dropped dramatically, to approximately 0.01% or 1 in 10,000 odds, effectively ruling ou ... more Russia claims to be ahead in race to put man on Mars 
Moscow (AFP) Jan 8, 2008Russia is leading the race to complete a manned mission to Mars and could land a Russian on the Red Planet by 2025, a leading scientist was quoted as saying on Tuesday. "We have something of a head start in this race as we have the most experience in piloted space flight," the director of the prestigious Space Research Institute, Lev Zelyony, told Interfax news agency on Tuesday. The goa ... more |
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Pasadena CA (JPL) Jan 03, 2008Additional position observations for asteroid 2007 WD5 taken on December 29 through January 2 have been used to improve the accuracy of the asteroid's orbit. As a result, the range of possible paths past Mars has narrowed by a factor of 3 and the most likely path has moved a little farther away from the planet, causing the Mars impact probability to decrease slightly to 3.6% (about one cha ... more Mars Rovers Find Evidence Of Habitable Niche As Perilous Third Winter Approaches 
Cornell NY (SPX) Dec 31, 2007Inch by power-conserving inch, drivers on Earth have moved the Mars rover Spirit to a spot where it has its best chance at surviving a third Martian winter -- and where it will celebrate its fourth anniversary (in Earth years) since bouncing down on Mars for a projected 90-day mission in January 2004. Meanwhile, researchers are considering the implications of what Cornell's Steve Squyres, ... more How Mars Could Have Been Warm And Wet But Limestone-Free 
Cambridge MA (SPX) Dec 24, 2007Planetary scientists have puzzled for years over an apparent contradiction on Mars. Abundant evidence points to an early warm, wet climate on the red planet, but there's no sign of the widespread carbonate rocks, such as limestone, that should have formed in such a climate. Now, a detailed analysis in the Dec. 21 issue of Science by MIT's Maria T. Zuber and Itay Halevy and Daniel P. Schrag of Ha ... more Global Map Reveals Mineral Distribution On Mars 
Laurel, MD (SPX) Dec 24, 2007Scientists are getting a clearer image of mineral distribution on the surface of Mars, thanks to the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM), one of six science instruments on NASA's Mars Reconnaissance Orbiter, currently circling the planet. More than 200 just-released "spectral maps" reveal the distribution of various minerals on the surface of Mars -- the first installmen ... more |
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Pasadena CA (SPX) Dec 24, 2007Astronomers funded by NASA are monitoring the trajectory of an asteroid estimated to be 50 meters (164 feet) wide that is expected to cross Mars' orbital path early next year. Observations provided by the astronomers and analyzed by NASA's Near-Earth Object Office at the Jet Propulsion Laboratory in Pasadena, Calif., indicate the object may pass within 30,000 miles of Mars at about 6 a.m. EST (3 ... more In Search For Water On Mars Via Clues From Antarctica 
Columbus OH (SPX) Dec 24, 2007Scientists have gathered more evidence that suggests flowing water on Mars -- by comparing images of the red planet to an otherworldly landscape on Earth. In recent years, scientists have examined images of several sites on Mars where water appears to have flowed to the surface and left behind a trail of sediment. Those sites closely resemble places where water flows today in the McMurdo Dry Val ... more International Group Plans Strategy For Mars Sample Return Mission 
Paris, France (ESA) Dec 21, 2007ESA, NASA and an international team are developing plans and seeking recommendations to launch the first Mars mission to bring soil samples back to Earth. The ability to study soil from Mars here on Earth will contribute significantly to answering questions about the possibility of life on the Red Planet. Returned samples also will increase understanding of the useful or harmful properties ... more Opportunity Maneuvers Around Steeper Slopes In Victoria Crater 
Pasadena CA (SPX) Dec 21, 2007Opportunity is now in the process of driving to the third band of light-colored rocks that circumvent "Victoria Crater" beneath the rim. Scientists had initially planned to have the rover head directly downhill to a rock target nicknamed "Ronov," within the band known as "Lyell." They selected an alternate rock exposure, dubbed "Newell," when engineers determined that the original drive r ... more
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